Current sea water temperature:
+32.4°F
| Minimum sea water temperature in December: | 45.5°F |
| Maximum sea water temperature in December: | 30.0°F |
| Average sea water temperature in December: | 37.4°F |
| more information | |
14 days
forecast
forecast
| Rocky Harbour |
monthly
weather
weather
| Rocky Harbour |
Sea water temperature for the last 10 days:
| December 20 | 32.4°F | December 15 | 30.6°F |
| December 19 | 31.1°F | December 14 | 32.2°F |
| December 18 | 30.9°F | December 13 | 34.9°F |
| December 17 | 30.0°F | December 12 | 35.2°F |
| December 16 | 30.9°F | December 11 | 34.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Rocky Harbour?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rocky Harbour was noticed in August, September and July.
Monthly Sea Temperatures in Rocky Harbour, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.1°F. The highest and lowest sea temperatures during the month were 67.1°F and 60.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 60.8°F. The highest and lowest sea temperatures during the month were 63.3°F and 57.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 59.4°F. The highest and lowest sea temperatures during the month were 63.0°F and 50.7°F.
current
weather
weather
| Rocky Harbour |
weather in
December
December
| Rocky Harbour |
Best time for vacation in Rocky Harbour
Rocky Harbour on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Rocky Harbour
Local time: 20:59
December 20, saturday
2100

19°F
E
27 mph
27 mph
December 21, sunday
0000

19°F
E
24 mph
24 mph
0300

18°F
E
19 mph
19 mph
0600

19°F
E
12 mph
12 mph
0900

21°F
NE
9 mph
9 mph
1200

27°F
N
6 mph
6 mph
1500

28°F
NW
7 mph
7 mph
1800

30°F
NW
10 mph
10 mph



























